Now there's an inexpensive way to automatically lock up the torque converter in 4th gear without the need for a computer. No need to worry about the speed sensor either! This 700R-4 transmission torque converter lock-up kit lets you run your
carbureted engine with an economical overdrive transmission.
This 700R4 transmission torque convertor kit includes new 4th gear pressure switch, new converter lock-up solenoid, new vacuum control switch, new brake control switch, color coded wiring harness, factory connectors, transmission pan gasket and easy-to-follow instructions. For 700R-4 transmission application
NOTE: Minor transmission disassembly is required.
Would definitely buy again
Rated
by Mac Ls s15 on August 08, 2025
Summary: Looks pretty straightforward and easy to install and I'm gonna have a lock up converter behind my 5.3 in my S 15
Yes, I recommend this product.
This kit has everything you need
Rated
by Major on June 18, 2025
Summary: the rebuild kit is nicely packaged and will work in restoring my transmission. The kit contains all the necessary parts needed. They appear to be great quality.
Yes, I recommend this product.
I would buy this product again and again!
Rated
by Transmission! on February 14, 2025
Summary: I own a small transmission shop and I bought this kit from speedway and it is quality stuff and very easy to understand how it works! I will certainly be back for more of this product and others!
Yes, I recommend this product.
Painless!!!!
Rated
by Bonz on September 03, 2024
Summary: Easy to install. Very nice kit.
Yes, I recommend this product.
Worked great!
Rated
by CJ on August 31, 2023
Summary: Easy install!
Yes, I recommend this product.
Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted
source for specialty rodding and racing products and friendly expert
advice for more than 74 years. Founded in 1952 by “Speedy” Bill
Smith – a racer and street rodder himself – Speedway has grown from a
one-man operation to become the world’s largest manufacturer, distributor
and retailer of street rod and racing products. Our industry-leading
fast delivery is the result of same-day shipping from our state-of-the-art,
centrally located 500,000 sq. ft. headquarters. Speedway’s size offers
customers unmatched product selection and low pricing, while our excellent
technical support and customer service have made us a recognized leader
in the rodding and racing industries.
